DE3540255A1 - METHOD FOR PRODUCING A DISPERSION-HARDENED METAL ALLOY - Google Patents
METHOD FOR PRODUCING A DISPERSION-HARDENED METAL ALLOYInfo
- Publication number
- DE3540255A1 DE3540255A1 DE19853540255 DE3540255A DE3540255A1 DE 3540255 A1 DE3540255 A1 DE 3540255A1 DE 19853540255 DE19853540255 DE 19853540255 DE 3540255 A DE3540255 A DE 3540255A DE 3540255 A1 DE3540255 A1 DE 3540255A1
- Authority
- DE
- Germany
- Prior art keywords
- solution
- particles
- metallic
- sprayed
- metal
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Ceased
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C1/00—Making non-ferrous alloys
- C22C1/10—Alloys containing non-metals
- C22C1/1026—Alloys containing non-metals starting from a solution or a suspension of (a) compound(s) of at least one of the alloy constituents
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F9/00—Making metallic powder or suspensions thereof
- B22F9/16—Making metallic powder or suspensions thereof using chemical processes
- B22F9/18—Making metallic powder or suspensions thereof using chemical processes with reduction of metal compounds
- B22F9/20—Making metallic powder or suspensions thereof using chemical processes with reduction of metal compounds starting from solid metal compounds
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S75/00—Specialized metallurgical processes, compositions for use therein, consolidated metal powder compositions, and loose metal particulate mixtures
- Y10S75/956—Producing particles containing a dispersed phase
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Powder Metallurgy (AREA)
- Manufacture Of Metal Powder And Suspensions Thereof (AREA)
- Manufacture Of Alloys Or Alloy Compounds (AREA)
Description
Die Erfindung bezieht sich auf ein Verfahren zur Her stellung dispersionsgehärteter Metall-Legierungen, ins besondere für hochtemperaturfeste Bauteile komplizierter Form, wobei Partikel einer zweiten Phase in eine metalli sche Matrix mit Hilfe einer kolloidalen Suspension ein gebaut werden.The invention relates to a method for Her position of dispersion-hardened metal alloys, ins especially more complicated for high temperature resistant components Form, with particles of a second phase in a metallic cal matrix using a colloidal suspension be built.
Es ist bekannt, daß durch eine gleichmäßige und feine Ver teilung von harten, insbesondere oxidischen Teilchen in metallischen Legierungen deren Widerstand gegen Verformungen insbesondere bei Nutzung von Bauteilen unter höheren Betriebstemperaturen, erheblich ge steigert werden kann. Ein Übersichtsaufsatz ist zum Stand der Technik in "Materials Engineering" 1982, Februar-Heft, Seite 34-39 erschienen.It is known that by a uniform and fine Ver division of hard, especially oxidic particles in metallic alloys, their resistance to Deformations especially when using components under higher operating temperatures, considerably ge can be increased. An overview article is for State of the art in "Materials Engineering" 1982, February issue, page 34-39 published.
Das wesentliche Problem bei der Herstellung solcher Legierungen liegt in der Erzeugung einer geeigneten Verteilung der harten Partikel in der metallischen Matrix. Die Abstände zwischen den Partikeln müssen hinreichend klein und gleichmäßig sein und der Volumen anteil der harten Partikel muß begrenzt werden.The main problem in the production of such Alloys lie in the production of a suitable one Distribution of the hard particles in the metallic Matrix. The distances between the particles must be sufficiently small and even and the volume the proportion of hard particles must be limited.
Man geht daher zum Einbringen der harten Partikel in die Metallmatrix auch wie folgt vor:One therefore goes in for the introduction of the hard particles the metal matrix also as follows:
Durch mechanisches Legieren, d. h. Einmahlen der Oxidpartikel in eine Legierung, ständiges Verschweißen und Zerbrechen von Metall- und Oxidkörnern in einer Hochenergiemühle, Kugelmühle, Attritor o. ä. wird ein Pulver hergestellt, das die Oxidpartikel in der ge wünschten Feinheit und Verteilung enthalten soll. Das Verfahren ist jedoch sehr aufwendig und gestattet keine ausreichende Homogenität und Reproduzierbarkeit.By mechanical alloying, i.e. H. Grinding the Oxide particles in an alloy, permanent welding and breaking metal and oxide grains in one High energy mill, ball mill, attritor or the like is a Powder made that the oxide particles in the ge desired subtlety and distribution. The However, the procedure is very complex and does not allow any sufficient homogeneity and reproducibility.
Aufgabe der Erfindung ist es, ein Verfahren zur Her stellung dispersionsgehärteter Metall-Legierungen anzu geben, das in einfacher Weise zu homogeneren Pulvern und der gewünschten Partikelverteilung in der Matrix und somit zu hochtemperaturfesten Bauteilen führt.The object of the invention is to provide a method for position of dispersion-hardened metal alloys give that in a simple way to more homogeneous powders and the desired particle distribution in the matrix and thus leads to high temperature resistant components.
Die Lösung der Aufgabe ist in Anspruch 1 beschrieben. Weitere Merkmale der Erfindung können der Beschreibung und Darstellung eines Ausführungsbeispiels entnommen werden.The solution to the problem is described in claim 1. Further features of the invention can be described and illustration of an embodiment taken will.
Der wesentliche Vorteil der Erfindung liegt darin, daß ein metallisches Pulver mit Oxideinlagerungen erzielt wird, das reproduzierbare Eigenschaften, insbesondere hinsichtlich Homogenität der Partikelverteilung und damit der Dispersionshärtung aufweist. Das so erhaltene Metallpulver kann nach bekannten pulvermetallurgischen Verfahren zu kompakten Formkörpern verarbeitet werden. The main advantage of the invention is that achieved a metallic powder with oxide inclusions will, the reproducible properties, in particular with regard to homogeneity of the particle distribution and so that the dispersion hardening has. The so obtained Metal powder can be made according to known powder metallurgy Process to be compact molded bodies.
Eine Lösung chemischer Verbindungen von Metallen wie z. B. Nickel-Basis-Legierungen, insbesondere eine Le gierung, die Nickel-Chrom im Verhältnis 80 : 20 ent hält, und Zusätze, wie Aluminium, Titan, Kobalt, wird in HCl gelöst und eine Lösung mit 75 Vol.% Y2O3 oder ThO2 von einer Korngröße kleiner 0,1 µm gemischt.A solution of chemical compounds of metals such. B. nickel-based alloys, in particular an alloy containing nickel-chromium in a ratio of 80:20, and additives such as aluminum, titanium, cobalt, is dissolved in HCl and a solution with 75 vol.% Y 2 O. 3 or ThO 2 mixed with a grain size less than 0.1 microns.
Damit in der chemischen Lösung keine Agglomeration der Oxidpartikel auftritt, werden diese durch Absorption gleichnamig geladener Moleküle, also elektrisch aufge ladener Partikel gleicher Polarität, getrennt und in der Lösung in Schwebe gehalten. Dazu erfolgt eine Zu gabe von Deglomerationsmitteln, wie z. B. tri-Natrium orthophoshat oder Aluminiumnitrat.So there is no agglomeration in the chemical solution If the oxide particles occur, they are absorbed molecules of the same name, i.e. electrically charged charged particles of the same polarity, separated and in of the solution in limbo. To do this, there is a To administration of deglomerating agents such. B. tri-sodium orthophoshate or aluminum nitrate.
Der so entstandene Schlicker wird dann im Rieselturm verdüst und entweder direkt in den Reaktionsraum über führt oder erst getrocknet und in einem weiteren Reaktionsgefäß in Metallpulver mit Oxideinlagerungen um gewandelt.The slip thus created is then in the trickle tower atomized and either directly into the reaction space leads or first dried and in another Reaction vessel in metal powder with oxide deposits around changed.
Das so erhaltene Metallpulver kann danach mit bekannten pulvermetallurgischen Verfahren zu kompakten Körpern gewünschter Form verarbeitet werden, z. B. durch Spritz gießen, Spritzpressen, Strangpressen, Extrudieren, Sintern, Kaltisostatpressen, Heißisostatpressen. Die Wahl des Verdichtungsverfahrens richtet sich dabei vor allem nach dem Einsatzzweck des Endprodukts, insbesondere eines hochtemperaturfesten Bauteils, z. B. ist ent scheidend die Form und Größe des Endprodukts und welche mechanischen oder sonstigen Festigkeiten gewünscht sind, aber auch welche Dichte und Oberflächengüte erforderlich ist. The metal powder thus obtained can then be known powder metallurgical process to compact bodies desired shape are processed, e.g. B. by spray casting, transfer molding, extrusion, extruding, Sintering, cold isostatic presses, hot isostatic presses. The The choice of compression method is based on this all depending on the intended use of the end product, in particular a high temperature resistant component, e.g. B. is ent deciding the shape and size of the end product and which mechanical or other strengths are desired, but also what density and surface quality is required is.
Abwandlungen der beschriebenen und dargestellten Ver fahrensschritte können selbstverständlich vorgenommen werden, ohne hierdurch den Rahmen der Erfindung zu ver lassen, wenn man gleiche Pulver- oder Bauteileigenschaf ten erzielt und das Verfahren der Partikel-Abstoßung in kolloidaler Lösung hierbei angewandt wird.Modifications to the described and illustrated ver course steps can of course be made are, without thereby ver the scope of the invention if you have the same powder or component properties achieved and the process of particle repulsion in a colloidal solution.
Die Erfindung ist auch nicht auf die im Beispiel ange gebene Metall-Legierung beschränkt, sondern selbstver ständlich sind auch andere Werkstoffe, insbesondere andere Nickelbasis-Legierungen oder Superlegierungen geeignet, die Metallmatrix zu bilden. Auch andere Zu sätze,als oben erwähnt, können angewandt werden. Chemi sche Lösungsmittel für die metallischen Werkstoffe, die Verdüsungsvorrichtungen und -Parameter, sowie die Rückumwandlung (Reduktion) in Metalle, die dann in Pulverform vorliegen, sind an sich bekannt.The invention is also not based on that in the example given metal alloy limited, but self-ver other materials are also common, in particular other nickel-based alloys or super alloys suitable to form the metal matrix. Others too sentences as mentioned above can be applied. Chemi chemical solvents for metallic materials, the atomizing devices and parameters, as well as the Reconversion (reduction) in metals, which then in Powder form are known per se.
Die Verwendung der erfindungsgemäß hergestellten Legierung ist vor allem im Motoren- und Turbinenbau vorgesehen, z. B. für Fluggasturbinenschaufeln.The use of the alloy produced according to the invention is primarily intended for engine and turbine construction, e.g. B. for aircraft gas turbine blades.
Claims (9)
- a) die metallischen Bestandteile zunächst als Salz lösung vorliegen,
- b) der Lösung die Partikel der zweiten, mit den metallischen Bestandteilen und deren Salzlösung nicht reaktiven Phase zugemischt werden,
- c) ein Deglomerationsmittel zugegeben wird,
- d) die Lösung verdüst wird und
- e) nach Entfernen des Lösungs-Mittels eine Reduktion zu Metall erfolgt.
- a) the metallic components are initially in the form of a salt solution,
- b) the solution is mixed with the particles of the second phase, which is not reactive with the metallic constituents and their salt solution,
- c) a deglomerating agent is added,
- d) the solution is atomized and
- e) after removal of the solvent, there is a reduction to metal.
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19853540255 DE3540255A1 (en) | 1985-11-13 | 1985-11-13 | METHOD FOR PRODUCING A DISPERSION-HARDENED METAL ALLOY |
US06/926,956 US4728359A (en) | 1985-11-13 | 1986-10-04 | Method of producing a dispersion-hardened metal alloy |
JP61266802A JPS62120412A (en) | 1985-11-13 | 1986-11-11 | Production of dispersion hardened metal alloy |
EP86115714A EP0223196A3 (en) | 1985-11-13 | 1986-11-12 | Process for manufacturing dispersion-cured metal alloys |
DE19873715979 DE3715979A1 (en) | 1985-11-13 | 1987-05-13 | Process for producing dispersion-hardened metal alloys |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19853540255 DE3540255A1 (en) | 1985-11-13 | 1985-11-13 | METHOD FOR PRODUCING A DISPERSION-HARDENED METAL ALLOY |
Publications (1)
Publication Number | Publication Date |
---|---|
DE3540255A1 true DE3540255A1 (en) | 1987-07-23 |
Family
ID=6285885
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE19853540255 Ceased DE3540255A1 (en) | 1985-11-13 | 1985-11-13 | METHOD FOR PRODUCING A DISPERSION-HARDENED METAL ALLOY |
Country Status (4)
Country | Link |
---|---|
US (1) | US4728359A (en) |
EP (1) | EP0223196A3 (en) |
JP (1) | JPS62120412A (en) |
DE (1) | DE3540255A1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3715979A1 (en) * | 1985-11-13 | 1988-12-08 | Mtu Muenchen Gmbh | Process for producing dispersion-hardened metal alloys |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3622123A1 (en) * | 1986-07-02 | 1988-01-21 | Dornier System Gmbh | METHOD AND DEVICE FOR PRODUCING COMPOSITE POWDERS |
EP0290820B1 (en) * | 1987-05-13 | 1994-03-16 | Mtu Motoren- Und Turbinen-Union MàNchen Gmbh | Process for preparing dispersion-hardened metal alloys |
CA1329320C (en) * | 1988-01-26 | 1994-05-10 | Kazuto Terai | Skid rail |
US6316100B1 (en) * | 1997-02-24 | 2001-11-13 | Superior Micropowders Llc | Nickel powders, methods for producing powders and devices fabricated from same |
US7097686B2 (en) * | 1997-02-24 | 2006-08-29 | Cabot Corporation | Nickel powders, methods for producing powders and devices fabricated from same |
US6338809B1 (en) * | 1997-02-24 | 2002-01-15 | Superior Micropowders Llc | Aerosol method and apparatus, particulate products, and electronic devices made therefrom |
US20050097987A1 (en) * | 1998-02-24 | 2005-05-12 | Cabot Corporation | Coated copper-containing powders, methods and apparatus for producing such powders, and copper-containing devices fabricated from same |
US8372766B2 (en) * | 2007-07-31 | 2013-02-12 | Kimberly-Clark Worldwide, Inc. | Conductive webs |
US8058194B2 (en) * | 2007-07-31 | 2011-11-15 | Kimberly-Clark Worldwide, Inc. | Conductive webs |
CN114985749B (en) * | 2022-06-06 | 2023-04-07 | 核工业西南物理研究院 | Oxide-amorphous composite powder for ODS-W alloy and preparation method thereof |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2853931A1 (en) * | 1978-12-14 | 1980-06-19 | Dornier System Gmbh | METHOD FOR PRODUCING METALLIC POWDER |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1137932A (en) * | 1965-02-12 | 1968-12-27 | Sherritt Gordon Mines Ltd | Process for the production of nickel-refractory oxide powders |
US3415640A (en) * | 1966-10-28 | 1968-12-10 | Fansteel Metallurgical Corp | Process for making dispersions of particulate oxides in metals |
US3526498A (en) * | 1966-12-23 | 1970-09-01 | Sherritt Gordon Mines Ltd | Production of nickel-thoria powders |
CH462473A (en) * | 1967-08-18 | 1968-09-15 | Suisse De Rech S Horlogeres La | Process for preparing a solid product |
FR1571322A (en) * | 1967-12-18 | 1969-06-20 | ||
US3501287A (en) * | 1968-07-31 | 1970-03-17 | Mallory & Co Inc P R | Metal-metal oxide compositions |
US3846117A (en) * | 1972-09-13 | 1974-11-05 | Nickel Le | Method for producing high-purity nickel powder with predetermined physical characteristics |
-
1985
- 1985-11-13 DE DE19853540255 patent/DE3540255A1/en not_active Ceased
-
1986
- 1986-10-04 US US06/926,956 patent/US4728359A/en not_active Expired - Fee Related
- 1986-11-11 JP JP61266802A patent/JPS62120412A/en active Pending
- 1986-11-12 EP EP86115714A patent/EP0223196A3/en not_active Withdrawn
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2853931A1 (en) * | 1978-12-14 | 1980-06-19 | Dornier System Gmbh | METHOD FOR PRODUCING METALLIC POWDER |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3715979A1 (en) * | 1985-11-13 | 1988-12-08 | Mtu Muenchen Gmbh | Process for producing dispersion-hardened metal alloys |
Also Published As
Publication number | Publication date |
---|---|
JPS62120412A (en) | 1987-06-01 |
EP0223196A3 (en) | 1988-11-30 |
US4728359A (en) | 1988-03-01 |
EP0223196A2 (en) | 1987-05-27 |
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Legal Events
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OP8 | Request for examination as to paragraph 44 patent law | ||
AG | Has addition no. |
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